Vanda Pharmaceuticals (VNDA)
Vanda Pharmaceuticals on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as pharmaceutical preparations.
7.8M
Short interest
settlement 2026-09-30
6.5
Days to cover
-5.6 days vs prior
71.5%
Short share of volume
2026-10-23
774
Fails to deliver
settlement 2026-09-30
Wed 28 Oct
Next earnings
estimated date
$0
Insider flow, 90 days
0 buys, 0 sells
As of 2026-10-23.
Short interest
FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSONAs of 30 September 2026, short interest in VNDA is 7,831,971 shares, up 145,745 shares over the last month. Over the last 48 readings it ranged from 2,335,804 shares (31 December 2025) to 8,495,290 shares (15 September 2026). At the reported average volume of 1.2M shares a day that is 6.5 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-09-30 | 7,831,971 | -7.8% | 1,213,899 | 6.45 |
| 2026-09-15 | 8,495,290 | +10.5% | 703,578 | 12.07 |
| 2026-08-31 | 7,686,226 | +0.2% | 778,741 | 9.87 |
| 2026-08-14 | 7,668,642 | +3.3% | 1,245,730 | 6.16 |
| 2026-07-31 | 7,422,856 | +3.3% | 824,875 | 9.00 |
| 2026-07-15 | 7,188,123 | -2.1% | 816,704 | 8.80 |
| 2026-06-30 | 7,342,818 | +5.1% | 932,697 | 7.87 |
| 2026-06-15 | 6,989,104 | +2.6% | 898,460 | 7.78 |
| 2026-05-29 | 6,811,524 | +7.0% | 1,001,794 | 6.80 |
| 2026-05-15 | 6,368,418 | +2.8% | 1,299,942 | 4.90 |
| 2026-04-30 | 6,196,446 | +10.7% | 1,076,550 | 5.76 |
| 2026-04-15 | 5,597,992 | +5.4% | 1,026,757 | 5.45 |
| 2026-03-31 | 5,310,265 | +65.9% | 2,225,454 | 2.39 |
| 2026-03-13 | 3,200,424 | -26.4% | 1,888,950 | 1.69 |
| 2026-02-27 | 4,346,005 | +25.3% | 6,341,392 | 1.00 |
| 2026-02-13 | 3,469,008 | +7.6% | 1,288,597 | 2.69 |
| 2026-01-30 | 3,224,168 | +12.0% | 792,102 | 4.07 |
| 2026-01-15 | 2,879,747 | +23.3% | 2,042,973 | 1.41 |
| 2025-12-31 | 2,335,804 | -52.3% | 3,604,016 | 1.00 |
| 2025-12-15 | 4,892,408 | +5.4% | 1,501,437 | 3.26 |
| 2025-11-28 | 4,642,254 | +19.6% | 1,290,434 | 3.60 |
| 2025-11-14 | 3,882,165 | -2.5% | 540,480 | 7.18 |
| 2025-10-31 | 3,983,691 | +4.2% | 745,403 | 5.34 |
| 2025-10-15 | 3,824,568 | +4.3% | 587,864 | 6.51 |
| 2025-09-30 | 3,665,733 | -20.4% | 484,435 | 7.57 |
| 2025-09-15 | 4,608,002 | -1.0% | 366,530 | 12.57 |
| 2025-08-29 | 4,654,733 | +1.0% | 413,926 | 11.25 |
| 2025-08-15 | 4,609,548 | +1.7% | 508,706 | 9.06 |
| 2025-07-31 | 4,531,620 | -1.4% | 538,721 | 8.41 |
| 2025-07-15 | 4,594,701 | -2.0% | 483,449 | 9.50 |
| 2025-06-30 | 4,686,596 | -0.8% | 428,555 | 10.94 |
| 2025-06-13 | 4,726,102 | -0.8% | 415,008 | 11.39 |
| 2025-05-30 | 4,764,075 | -2.1% | 398,109 | 11.97 |
| 2025-05-15 | 4,867,464 | +4.5% | 604,253 | 8.06 |
| 2025-04-30 | 4,660,083 | -4.4% | 408,632 | 11.40 |
| 2025-04-15 | 4,876,554 | +21.2% | 868,430 | 5.62 |
| 2025-03-31 | 4,022,359 | +13.0% | 546,778 | 7.36 |
| 2025-03-14 | 3,560,629 | +8.7% | 691,607 | 5.15 |
| 2025-02-28 | 3,276,826 | -12.0% | 719,558 | 4.55 |
| 2025-02-14 | 3,723,179 | -0.5% | 708,918 | 5.25 |
| 2025-01-31 | 3,742,151 | +13.8% | 638,620 | 5.86 |
| 2025-01-15 | 3,286,865 | +2.9% | 513,411 | 6.40 |
| 2024-12-31 | 3,195,821 | +1.9% | 532,521 | 6.00 |
| 2024-12-13 | 3,135,402 | +1.3% | 802,764 | 3.91 |
| 2024-11-29 | 3,094,619 | -3.9% | 493,275 | 6.27 |
| 2024-11-15 | 3,221,519 | -13.9% | 816,703 | 3.94 |
| 2024-10-31 | 3,740,095 | -6.0% | 402,867 | 9.28 |
| 2024-10-15 | 3,978,441 | +17.0% | 820,553 | 4.85 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 23 October 2026, the short share of VNDA volume is 71.5%, up 15.3 points over the last five sessions. Over the last 30 readings it ranged from 35.1% (16 September 2026) to 73.1% (20 October 2026). The latest reading sits at the top of that range. The latest reading is 17.8 points above the 30-session average of 53.7%, on 396K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-10-23 | 283K | 396K | 71.5% | 0 |
| 2026-10-22 | 103K | 247K | 41.8% | 0 |
| 2026-10-21 | 205K | 417K | 49.3% | 34 |
| 2026-10-20 | 247K | 339K | 73.1% | 201 |
| 2026-10-19 | 169K | 258K | 65.4% | 196 |
| 2026-10-16 | 278K | 495K | 56.2% | 1,460 |
| 2026-10-15 | 198K | 361K | 54.8% | 0 |
| 2026-10-14 | 211K | 339K | 62.3% | 214 |
| 2026-10-13 | 176K | 296K | 59.5% | 123 |
| 2026-10-12 | 133K | 211K | 63.0% | 386 |
| 2026-10-09 | 88K | 198K | 44.3% | 0 |
| 2026-10-08 | 158K | 246K | 64.1% | 0 |
| 2026-10-07 | 142K | 334K | 42.5% | 700 |
| 2026-10-06 | 329K | 575K | 57.2% | 300 |
| 2026-10-05 | 151K | 315K | 47.8% | 5 |
| 2026-10-02 | 345K | 556K | 62.0% | 16,629 |
| 2026-10-01 | 287K | 497K | 57.8% | 429 |
| 2026-09-30 | 730K | 1.3M | 57.8% | 25,059 |
| 2026-09-29 | 171K | 307K | 55.7% | 1,721 |
| 2026-09-28 | 142K | 265K | 53.7% | 0 |
| 2026-09-25 | 164K | 260K | 62.9% | 322 |
| 2026-09-24 | 147K | 316K | 46.5% | 1,953 |
| 2026-09-23 | 248K | 431K | 57.5% | 0 |
| 2026-09-22 | 80K | 193K | 41.3% | 0 |
| 2026-09-21 | 131K | 342K | 38.3% | 1,811 |
| 2026-09-18 | 116K | 248K | 46.9% | 500 |
| 2026-09-17 | 107K | 223K | 47.8% | 397 |
| 2026-09-16 | 62K | 176K | 35.1% | 42 |
| 2026-09-15 | 147K | 247K | 59.7% | 903 |
| 2026-09-14 | 94K | 265K | 35.4% | 13 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 30 September 2026, the fails-to-deliver balance in VNDA is 774 shares, down 78,513 shares over the last settlement date. Over the last 30 readings it ranged from 4 shares (18 August 2026) to 79,287 shares (29 September 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-09-30 | 774 | $5.03 | $4K |
| 2026-09-29 | 79,287 | $5.17 | $410K |
| 2026-09-21 | 39,632 | $5.13 | $203K |
| 2026-09-08 | 4,987 | $5.43 | $27K |
| 2026-09-04 | 9,987 | $5.34 | $53K |
| 2026-08-18 | 4 | $5.26 | $21 |
| 2026-08-13 | 87 | $5.19 | $452 |
| 2026-08-10 | 93 | $5.00 | $465 |
| 2026-07-16 | 4,962 | $5.85 | $29K |
| 2026-07-14 | 80 | $6.00 | $480 |
| 2026-07-13 | 236 | $6.24 | $1K |
| 2026-07-08 | 717 | $6.39 | $5K |
| 2026-07-01 | 205 | $6.12 | $1K |
| 2026-06-23 | 59,914 | $6.00 | $359K |
| 2026-06-22 | 59,914 | $5.80 | $348K |
| 2026-06-10 | 1,134 | $6.12 | $7K |
| 2026-05-19 | 75 | $6.08 | $456 |
| 2026-05-15 | 914 | $6.39 | $6K |
| 2026-03-11 | 7,030 | $9.56 | $67K |
| 2026-03-06 | 4,228 | $7.91 | $33K |
| 2026-02-27 | 4,275 | $8.60 | $37K |
| 2026-02-25 | 225 | $8.17 | $2K |
| 2026-02-19 | 2,916 | $6.03 | $18K |
| 2026-02-09 | 7,203 | $7.57 | $55K |
| 2026-01-30 | 91 | $7.78 | $708 |
| 2026-01-22 | 100 | $7.93 | $793 |
| 2026-01-21 | 60 | $7.71 | $463 |
| 2026-01-20 | 1,000 | $7.47 | $7K |
| 2026-01-07 | 4,223 | $8.13 | $34K |
| 2026-01-06 | 4,295 | $7.87 | $34K |
Insider trades
SEC Form 4, newest first. JSONNo open-market insider trades were reported for VNDA in the last 90 days. The most recent filings are listed below. Latest filing: Ward Anne Sempowski (Director) on 2026-06-04.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-06-04 | Ward Anne Sempowski | Director | Grant | 42K | $0.00 | $0 | 161K |
| 2026-06-04 | Mitchell Stephen Ray | Director | Grant | 42K | $0.00 | $0 | 113K |
| 2026-06-04 | McGuire Daniel Patrick | SVP, GC and Secretary | Grant | 80K | $0.00 | $0 | 110K |
| 2026-06-04 | Honore Tage | Director | Grant | 42K | $0.00 | $0 | 135K |
| 2026-06-04 | Duncan Charles Cliff | Director | Grant | 42K | $0.00 | $0 | 99K |
| 2026-06-04 | DUGAN RICHARD W | Director | Grant | 42K | $0.00 | $0 | 219K |
| 2026-06-04 | Chrousos Phaedra | Director | Grant | 42K | $0.00 | $0 | 165K |
| 2026-05-18 | Mitchell Stephen Ray | Director | Gift | 26K | $0.00 | $0 | 71K |
| 2026-04-22 | Duncan Charles Cliff | Director | Grant | 57K | $0.00 | $0 | 57K |
| 2026-03-02 | Wijkstrom Joakim | SVP, Chief Marketing Officer | Sell | 31K | $8.27 | $255K | 333K |
| 2026-03-02 | Williams Timothy | SVP & General Counsel | Sell | 42K | $8.27 | $351K | 377K |
| 2026-03-02 | Polymeropoulos Mihael Hristos | President and CEO | Sell | 156K | $8.17 | $1.3M | 2.7M |
| 2026-03-02 | Moran Kevin Patrick | SVP, CFO & Treasurer | Sell | 42K | $8.27 | $351K | 411K |
| 2026-03-02 | Birznieks Gunther | SVP, Business Development | Sell | 42K | $8.27 | $351K | 494K |
| 2026-02-23 | Honore Tage | Director | Sell | 30K | $8.03 | $241K | 93K |
| 2026-02-18 | Wijkstrom Joakim | SVP, Chief Marketing Officer | Grant | 125K | $0.00 | $0 | 364K |
| 2026-02-18 | Williams Timothy | SVP & General Counsel | Grant | 125K | $0.00 | $0 | 420K |
| 2026-02-18 | Polymeropoulos Mihael Hristos | President and CEO | Grant | 525K | $0.00 | $0 | 2.9M |
| 2026-02-18 | Moran Kevin Patrick | SVP, CFO & Treasurer | Grant | 125K | $0.00 | $0 | 454K |
| 2026-02-18 | Birznieks Gunther | SVP, Business Development | Grant | 125K | $0.00 | $0 | 537K |
| 2025-08-07 | Polymeropoulos Mihael Hristos | President and CEO | Buy | 10K | $4.15 | $42K | 2.3M |
| 2025-06-13 | Mitchell Stephen Ray | Director | Sell | 7K | $4.59 | $32K | 97K |
| 2025-06-05 | Ward Anne Sempowski | Director | Grant | 59K | $0.00 | $0 | 119K |
| 2025-06-05 | Honore Tage | Director | Grant | 59K | $0.00 | $0 | 123K |
| 2025-06-05 | DUGAN RICHARD W | Director | Grant | 59K | $0.00 | $0 | 177K |
| 2025-06-05 | Chrousos Phaedra | Director | Grant | 59K | $0.00 | $0 | 123K |
| 2025-06-05 | Mitchell Stephen Ray | Director | Grant | 59K | $0.00 | $0 | 104K |
| 2025-05-21 | Polymeropoulos Mihael Hristos | President and CEO | Buy | 481 | $4.39 | $2K | 2.3M |
| 2025-05-21 | Polymeropoulos Mihael Hristos | President and CEO | Buy | 10K | $4.40 | $42K | 2.3M |
| 2025-05-16 | Polymeropoulos Mihael Hristos | President and CEO | Buy | 20K | $4.22 | $84K | 2.3M |
| 2025-03-06 | Polymeropoulos Mihael Hristos | President and CEO | Buy | 5K | $5.02 | $25K | 2.3M |
| 2025-03-06 | Polymeropoulos Mihael Hristos | President and CEO | Buy | 5K | $5.01 | $25K | 2.3M |
| 2025-03-05 | Polymeropoulos Mihael Hristos | President and CEO | Buy | 5K | $5.03 | $25K | 2.3M |
| 2025-03-05 | Polymeropoulos Mihael Hristos | President and CEO | Buy | 5K | $5.01 | $25K | 2.3M |
| 2025-03-03 | Polymeropoulos Mihael Hristos | President and CEO | Buy | 10K | $4.71 | $47K | 2.3M |
| 2025-03-01 | Williams Timothy | SVP & General Counsel | Tax withholding | 27K | $4.76 | $128K | 295K |
| 2025-03-01 | Moran Kevin Patrick | SVP, CFO & Treasurer | Tax withholding | 27K | $4.76 | $128K | 329K |
| 2025-03-01 | Polymeropoulos Mihael Hristos | President and CEO | Tax withholding | 96K | $4.76 | $457K | 2.3M |
| 2025-03-01 | Birznieks Gunther | SVP, Business Development | Tax withholding | 27K | $4.76 | $128K | 412K |
| 2025-03-01 | Wijkstrom Joakim | SVP, Chief Marketing Officer | Tax withholding | 16K | $4.76 | $74K | 239K |
| 2025-02-28 | Polymeropoulos Mihael Hristos | President and CEO | Buy | 10K | $4.76 | $48K | 2.4M |
| 2025-02-27 | Polymeropoulos Mihael Hristos | President and CEO | Buy | 10K | $4.76 | $48K | 2.4M |
| 2025-02-26 | Polymeropoulos Mihael Hristos | President and CEO | Buy | 5K | $4.78 | $24K | 2.3M |
| 2025-02-26 | Polymeropoulos Mihael Hristos | President and CEO | Buy | 5K | $4.75 | $24K | 2.3M |
| 2025-02-25 | Polymeropoulos Mihael Hristos | President and CEO | Buy | 10K | $4.46 | $45K | 2.3M |
| 2025-02-21 | Moran Kevin Patrick | SVP, CFO & Treasurer | Buy | 2K | $4.39 | $9K | 356K |
| 2025-02-18 | Williams Timothy | SVP & General Counsel | Grant | 125K | $0.00 | $0 | 322K |
| 2025-02-18 | Birznieks Gunther | SVP, Business Development | Grant | 125K | $0.00 | $0 | 439K |
| 2025-02-18 | Moran Kevin Patrick | SVP, CFO & Treasurer | Grant | 125K | $0.00 | $0 | 354K |
| 2025-02-18 | Polymeropoulos Mihael Hristos | President and CEO | Grant | 450K | $0.00 | $0 | 2.3M |
| 2025-02-18 | Wijkstrom Joakim | SVP, Chief Marketing Officer | Grant | 125K | $0.00 | $0 | 255K |
| 2024-11-14 | Mitchell Stephen Ray | Director | Sell | 5K | $5.17 | $26K | 45K |
| 2024-07-29 | Moran Kevin Patrick | SVP, CFO & Treasurer | Sell | 2K | $5.92 | $13K | 229K |
| 2024-05-22 | Chrousos Phaedra | Director | Grant | 22K | $0.00 | $0 | 64K |
| 2024-05-17 | Ward Anne Sempowski | Director | Grant | 21K | $0.00 | $0 | 60K |
| 2024-05-17 | Mitchell Stephen Ray | Director | Grant | 21K | $0.00 | $0 | 50K |
| 2024-05-17 | DUGAN RICHARD W | Director | Grant | 21K | $0.00 | $0 | 118K |
| 2024-05-17 | Honore Tage | Director | Grant | 21K | $0.00 | $0 | 64K |
| 2024-03-05 | Birznieks Gunther | SVP, Business Development | Sell | 9K | $4.13 | $36K | 314K |
| 2024-03-05 | Moran Kevin Patrick | SVP, CFO & Treasurer | Sell | 9K | $4.20 | $37K | 231K |
| 2024-03-05 | Polymeropoulos Mihael Hristos | President and CEO | Sell | 24K | $4.13 | $100K | 1.9M |
| 2024-03-05 | Wijkstrom Joakim | SVP, Chief Marketing Officer | Sell | 9K | $4.21 | $39K | 130K |
| 2024-03-05 | Williams Timothy | SVP & General Counsel | Sell | 9K | $4.18 | $37K | 197K |
| 2024-03-04 | Birznieks Gunther | SVP, Business Development | Sell | 9K | $4.30 | $38K | 322K |
| 2024-03-04 | Moran Kevin Patrick | SVP, CFO & Treasurer | Sell | 6K | $4.48 | $26K | 240K |
| 2024-03-04 | Polymeropoulos Mihael Hristos | President and CEO | Sell | 31K | $4.24 | $131K | 1.9M |
| 2024-03-04 | Wijkstrom Joakim | SVP, Chief Marketing Officer | Sell | 7K | $4.41 | $33K | 139K |
| 2024-03-04 | Williams Timothy | SVP & General Counsel | Sell | 8K | $4.41 | $36K | 206K |
| 2024-02-16 | Birznieks Gunther | SVP, Business Development | Grant | 125K | $0.00 | $0 | 331K |
| 2024-02-16 | Moran Kevin Patrick | SVP, CFO & Treasurer | Grant | 125K | $0.00 | $0 | 246K |
| 2024-02-16 | Polymeropoulos Mihael Hristos | President and CEO | Grant | 450K | $0.00 | $0 | 1.9M |
| 2024-02-16 | Wijkstrom Joakim | SVP, Chief Marketing Officer | Grant | 33K | $0.00 | $0 | 147K |
| 2024-02-16 | Williams Timothy | SVP & General Counsel | Grant | 125K | $0.00 | $0 | 214K |
| 2023-08-21 | Wijkstrom Joakim | SVP, Chief Marketing Officer | Sell | 4K | $5.84 | $22K | 114K |
| 2023-08-10 | Mitchell Stephen Ray | Director | Sell | 7K | $6.05 | $39K | 29K |
| 2023-07-28 | Moran Kevin Patrick | SVP, CFO & Treasurer | Sell | 412 | $6.30 | $3K | 123K |
| 2023-07-28 | Moran Kevin Patrick | SVP, CFO & Treasurer | Sell | 2K | $6.31 | $11K | 121K |
| 2023-06-15 | Moran Kevin Patrick | SVP, CFO & Treasurer | Sell | 16K | $6.29 | $101K | 123K |
| 2023-06-13 | Williams Timothy | SVP & General Counsel | Sell | 15K | $6.56 | $96K | 89K |
| 2023-06-08 | Chrousos Phaedra | Director | Grant | 17K | $0.00 | $0 | 42K |
| 2023-06-08 | DUGAN RICHARD W | Director | Grant | 17K | $0.00 | $0 | 98K |
| 2023-06-08 | Honore Tage | Director | Grant | 17K | $0.00 | $0 | 44K |
| 2023-06-08 | Mitchell Stephen Ray | Director | Grant | 17K | $0.00 | $0 | 36K |
| 2023-06-08 | Ward Anne Sempowski | Director | Grant | 17K | $0.00 | $0 | 39K |
| 2023-03-15 | Honore Tage | Director | Grant | 26K | $0.00 | $0 | 26K |
| 2023-03-03 | Birznieks Gunther | SVP, Business Development | Sell | 8K | $6.26 | $52K | 206K |
| 2023-03-03 | Moran Kevin Patrick | SVP, CFO & Treasurer | Sell | 6K | $6.28 | $37K | 139K |
| 2023-03-03 | Polymeropoulos Mihael Hristos | President and CEO | Sell | 23K | $6.25 | $141K | 1.5M |
| 2023-03-03 | Wijkstrom Joakim | SVP, Chief Marketing Officer | Sell | 4K | $6.32 | $26K | 118K |
| 2023-03-03 | Williams Timothy | SVP & General Counsel | Sell | 8K | $6.25 | $52K | 104K |
| 2023-03-02 | Birznieks Gunther | SVP, Business Development | Sell | 9K | $6.20 | $53K | 214K |
| 2023-03-02 | Moran Kevin Patrick | SVP, CFO & Treasurer | Sell | 8K | $6.26 | $50K | 145K |
| 2023-03-02 | Polymeropoulos Mihael Hristos | President and CEO | Sell | 22K | $6.23 | $140K | 1.5M |
| 2023-03-02 | Wijkstrom Joakim | SVP, Chief Marketing Officer | Sell | 8K | $6.23 | $48K | 122K |
| 2023-03-02 | Williams Timothy | SVP & General Counsel | Sell | 8K | $6.24 | $53K | 112K |
| 2023-02-16 | Birznieks Gunther | SVP, Business Development | Grant | 33K | $0.00 | $0 | 223K |
| 2023-02-16 | Moran Kevin Patrick | SVP, CFO & Treasurer | Grant | 33K | $0.00 | $0 | 153K |
| 2023-02-16 | Polymeropoulos Mihael Hristos | President and CEO | Grant | 115K | $0.00 | $0 | 1.5M |
| 2023-02-16 | Wijkstrom Joakim | SVP, Chief Marketing Officer | Grant | 33K | $0.00 | $0 | 129K |
| 2023-02-16 | Williams Timothy | SVP & General Counsel | Grant | 33K | $0.00 | $0 | 120K |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Planned sales (Form 144)
Newest first. JSON6 Form 144 notices on file for VNDA worth $2.8M at the prices reported; 0 in the last 90 days worth $0. Latest: Timothy Williams filed on 2026-03-02 to sell 42,434 shares ($351K) from 2026-03-02.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-03-02 | Timothy WilliamsSVP & General Counsel | 42K | $351K | 0.072% | 2026-03-02 | Merrill Lynch |
| 2026-03-02 | Joakim WijkstromSVP, Chief Marketing Officer | 31K | $255K | 0.052% | 2026-03-02 | Merrill Lynch |
| 2026-03-02 | Mihael H. PolymeropoulosOfficer, Chairman of the Board | 156K | $1.3M | 0.264% | 2026-03-02 | Merrill Lynch |
| 2026-03-02 | Kevin MoranSVP, CFO & Treasurer | 42K | $351K | 0.072% | 2026-03-02 | Merrill Lynch |
| 2026-03-02 | Gunther BirznieksSVP, Business Development | 42K | $351K | 0.072% | 2026-03-02 | Merrill Lynch |
| 2026-02-23 | Honore TageDirector | 30K | $241K | 0.051% | 2026-02-23 | Merrill Lynch |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON6 holders report 5% or more of VNDA in their latest filing, all on Schedule 13G (passive). The largest reported stake is Israel A. Englander at 7.0% of the class (4,260,038 shares), filed 2026-10-09 for an event on 2026-09-30.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-10-09 | 13G/Ano. 1 | Israel A. Englanderindividual | 4.3M | 7.0% | 2026-09-30 |
| 2026-10-09 | 13G/Ano. 1 | Millennium Group Management LLCother entity | 4.3M | 7.0% | 2026-09-30 |
| 2026-10-09 | 13G/Ano. 1 | Millennium Management LLCother entity | 4.3M | 7.0% | 2026-09-30 |
| 2026-08-13 | 13G | AQR Capital Management, LLCinvestment adviser | 3.5M | 5.8% | 2026-06-30 |
| 2026-08-13 | 13G | AQR Capital Management Holdings, LLCparent holding company | 3.5M | 5.8% | 2026-06-30 |
| 2026-05-12 | 13G | STATE STREET CORPORATIONparent holding company | 3.0M | 5.1% | 2026-03-31 |
| 2026-04-29 | 13G/Ano. 2 | BlackRock Portfolio Management LLCparent holding company | 2.5M | 4.2% | 2026-03-31 |
| 2026-03-27 | 13G/Ano. 7 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
13F holders
Tracked managers holding VNDA at their latest 13F. JSON6 of the 30 tracked managers held VNDA at their latest 13F, $67.1M in total at quarter-end prices. AQR Capital Management is the largest at $21.4M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 3 added shares and 3 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| AQR Capital Management | 2026-06-30 | 3.5M | $21.4M | 0.01% | +1.9M |
| Renaissance Technologies | 2026-06-30 | 3.4M | $21.1M | 0.03% | -318K |
| Millennium Management | 2026-06-30 | 1.6M | $9.8M | 0.00% | -278K |
| Two Sigma Investments | 2026-06-30 | 1.3M | $8.3M | 0.01% | -49K |
| Citadel Advisors | 2026-06-30 | 758K | $4.6M | 0.00% | +125K |
| Point72 Asset Management | 2026-06-30 | 311K | $1.9M | 0.00% | +150K |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
What this page is
Vanda Pharmaceuticals in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows Vanda Pharmaceuticals (VNDA), SEC CIK 1347178, listed on Nasdaq, classified by the SEC as pharmaceutical preparations. The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-09-30.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-23.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-30.JSON and CSV
- Planned sales
- SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2026-03-02.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-10-09.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-08-05.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-06-04.JSON and CSV
- Company record
- EDGAR filing index for CIK 1347178Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
Other companies the SEC classifies as pharmaceutical preparations
Other company pages
Datasets
Frequently Asked Questions
How much of VNDA is sold short?
7,831,971 shares were held short at the 2026-09-30 settlement, 6.5 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is VNDA's daily short volume?
On 2026-10-23, 283,050 of the 395,885 VNDA shares reported to FINRA were sold short, 71.5% of the day's reported volume. Short volume is a flow for one day, not a position.
Does VNDA have fails to deliver?
The SEC's latest file shows 774 VNDA shares failed to deliver at settlement 2026-09-30. Fails are reported per settlement date and published twice a month with a lag.
Are VNDA insiders buying or selling?
No open-market insider trades were reported for VNDA in the last 90 days. The most recent filings are listed below. Latest filing: Ward Anne Sempowski (Director) on 2026-06-04.
Have VNDA insiders filed to sell?
6 Form 144 notices on file for VNDA worth $2.8M at the prices reported; 0 in the last 90 days worth $0. Latest: Timothy Williams filed on 2026-03-02 to sell 42,434 shares ($351K) from 2026-03-02.
Who owns 5% or more of VNDA?
6 holders report 5% or more of VNDA in their latest filing, all on Schedule 13G (passive). The largest reported stake is Israel A. Englander at 7.0% of the class (4,260,038 shares), filed 2026-10-09 for an event on 2026-09-30.
Which tracked 13F managers own VNDA?
6 of the 30 tracked 13F managers held VNDA shares at their latest filing, $67.1M in all. The largest: Cliff Asness's AQR Capital Management (3.5M shares, $21.4M), Renaissance Technologies (3.4M shares, $21.1M), Izzy Englander's Millennium Management (1.6M shares, $9.8M), Two Sigma Investments (1.3M shares, $8.3M), Ken Griffin's Citadel Advisors (758K shares, $4.6M), Steve Cohen's Point72 Asset Management (311K shares, $1.9M).
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.